The RadioShack Race Scanner Headphones 33-1158 are vintage noise-reducing headphones designed for radio communication. These black headphones feature an Automatic Noise Limiter (ANL) and Volume Control, making them ideal for reducing noise while tuning in to race scanner frequencies. Made in the United States, these headphones are a part of the RadioShack product line and come in their original box, making them a unique and collectible piece for electronics enthusiasts and radio communication hobbyists.